Principal Mechanical Engineer

Worley•Denver, CO

1d•Hybrid

About The Position

Worley is a global professional services company of energy, chemicals and resources experts. We partner with customers to deliver projects and create value over the life of their assets. We’re bridging two worlds, moving towards more sustainable energy sources, while helping to provide the energy, chemicals and resources needed now. Principal Mechanical Engineer Denver / Englewood Colorado Role Summary The Principal Mechanical Engineer is a senior technical leader responsible for the design, specification, and delivery of mechanical systems within EPC (Engineering, Procurement, and Construction) projects. This role focuses heavily on rotating equipment, pressure vessels, and other major mechanical equipment, ensuring designs meet project requirements, industry standards, and client expectations. The position also plays a key role in cross-functional coordination. This position is based in Englewood, Colorado and follows a 3-day hybrid schedule at the Worley office. Remote work is not available.

Requirements

Bachelor’s degree in Mechanical Engineering
Professional Engineer (PE) license required (Colorado), with ability to obtain licensure in additional states preferred
15+ years of experience in an EPC or similar project-based environment
Strong experience with rotating equipment and pressure vessels
Solid understanding of process conditions (pressure, temperature, flow, materials) and their impact on mechanical design
Proven ability to work across disciplines and communicate with both technical and non-technical stakeholders
Experience reviewing and approving engineering deliverables and vendor documentation

Responsibilities

Lead the mechanical engineering scope for EPC projects from concept through execution
Design, specify, and review rotating equipment (pumps, compressors, turbines), pressure vessels and other major mechanical equipment.
Ensure compliance with applicable codes and standards (ASME, API, etc.)
Collaborate closely with process engineering to understand operating conditions and translate them into mechanical design requirements
Interface effectively with other mechanical engineers and multidisciplinary teams (process, piping, electrical, project management)
Review vendor drawings, datasheets, and technical bids for accuracy and compliance
Provide technical guidance, mentorship, and quality oversight to junior and mid-level engineers
Support procurement, construction, and commissioning phases as needed
Troubleshoot complex mechanical issues and provide practical, cost-effective solutions